OBD Guide
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B1927

Passenger Side Airbag Fault

B1927 is an OBD-II diagnostic trouble code meaning: Passenger Side Airbag Fault. Common causes: open/short circuit in airbag wiring harness, airbag squib malfunction. Estimated repair cost: $56–278.

Severity
🔴 High
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$56–278 (est.)

Symptoms

  • SRS/airbag light is on
  • Passenger airbag disabled
  • Possible errors in other components of the SRS system

Causes

  • Open/short circuit in airbag wiring harness
  • Airbag squib malfunction
  • Damage to the airbag connector
  • Problems with the SRS diagnostic module
  • Previous airbag deployment without module replacement

How to Fix

  1. Diagnostics of the SIDS/ESP system with a professional scanner
  2. Checking the integrity of the wiring harness and connectors
  3. Checking the resistance of the airbag squib (only with the battery disconnected)
  4. Replacing a faulty airbag module or wiring harness
  5. Resetting SRS system errors after repair

Related codes

B1920B1926B1932B1000

FAQ

What does the B1927 code mean?

B1927 is an OBD-II diagnostic trouble code that indicates: Passenger Side Airbag Fault

What causes a B1927 error code?

The most common causes of B1927 include: Open/short circuit in airbag wiring harness; Airbag squib malfunction; Damage to the airbag connector; Problems with the SRS diagnostic module.

How do I fix a B1927 diagnostic trouble code?

To fix B1927: Diagnostics of the SIDS/ESP system with a professional scanner. Checking the integrity of the wiring harness and connectors. Checking the resistance of the airbag squib (only with the battery disconnected). For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1927?

Do not drive — repair immediately

How much does it cost to fix B1927?

The estimated repair cost for B1927 is $56–278. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat